[Campbell Biology P.986] What is the primary cause of a heart attack myocardial infarction a... | Practice Question

What is the primary cause of a heart attack myocardial infarction as described in the text?

  • A: Insufficient anti-clotting factors in the blood.
  • B: Blockage of one or more coronary arteries, leading to damage or death of cardiac muscle tissue.
  • C: Rupture or blockage of arteries in the neck or head, causing death of nervous tissue.
  • D: Accumulation of fatty deposits in arteries, causing them to harden.

Explanation

The text explicitly states: 'A heart attack, also called a myocardial infarction, is the damage or death of cardiac muscle tissue resulting from blockage of one or more coronary arteries, which supply oxygen-rich blood to the heart muscle.'